Particles of a Refractory Ceramic Material for Controlling Crack Formation in High-Temperature Materials and Method for Their Production

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The invention relates to particles made from a refractory ceramic material, which are engineered to influence crack formation in high-temperature materials. These particles have a layered structure, where the layers are made from different materials and/or composites, with at least one being ceramic, and with varying porosity, density, and elasticity (E-modulus). These particles can be embedded within a matrix of high-temperature materials to control or improve crack resistance. The patent also covers a method for manufacturing these specialized particles.

Use CasesContent extracted from patent full text and abstract with AI.

• Improving the durability and longevity of high-temperature structural components (such as turbine blades and furnace linings).
• Enhancing crack resistance in advanced ceramics used in aerospace and power generation industries.
• Incorporation in composite materials for industrial kilns or reactors that operate under thermal stress.
• Design of protective coatings or layers for components exposed to thermal cycling.

BenefitsContent extracted from patent full text and abstract with AI.

• Improved resistance to crack formation and propagation in high-temperature materials, leading to enhanced structural reliability.
• Customization of particle properties (like porosity, density, modulus) for targeted application requirements.
• Potential for longer service life and lower maintenance costs for high-temperature components.
• Enables the design of materials with tailored mechanical and thermal properties, suitable for demanding industrial applications.

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Patent Abstract

Die Erfindung betrifft Partikel (P) aus einem feuerfesten keramischen Werkstoff und ein Verfahren zu ihrer Herstellung. Partikel (P) aus einem feuerfesten keramischen Werkstoff, die zur Beeinflussung der Rissbildung in eine Matrix eines Hochtemperaturwerkstoffes eingebettet werden, werden jeweils mit mehreren Schichten, die in Ebenen übereinander angeordnet sind, wobei die Schichten in einer definierten Reihenfolge aus mindestens zwei verschiedenen Werkstoffen und/oder Werkstoffkompositen, von denen mindestens einer/eines mit einem keramischen Werkstoff gebildet ist, und/oder aus mindestens einem Werkstoff und/oder mindestens einem Werk-stoffkomposit, von denen mindestens einer/eines mit einem keramischen Werkstoff gebildet ist, mit schichtweise unterschiedlicher Porosität, Dichte und/oder E-Modul gebildet.